How can I get next Saturday date ?

I have a java.util.date, I want to get date of next saturday just after this date.
I how can I calculate next saturday's date in a simple way?
thanks in advance.
Metin

                GregorianCalendar today = new GregorianCalendar();
                today.add(Calendar.DAY_OF_WEEK, Calendar.SATURDAY - today.get(Calendar.DAY_OF_WEEK));
                System.out.println(today.getTime());
            // or better becaue it does not rely on the ordering of the enumerations
                GregorianCalendar today = new GregorianCalendar();
                while (today.get(Calendar.DAY_OF_WEEK) != Calendar.SATURDAY)
                    today.add(Calendar.DATE, 1);
                System.out.println(today.getTime());
            }

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